add: 使用依赖注入管理IChatRobot

添加默认实现

Frontend/Frontend.csproj

@@ -10,4 +10,8 @@
       <PackageReference Include="AntDesign" Version="0.15.5" />
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\Katheryne\Katheryne.csproj" />
+    </ItemGroup>
+
 </Project>

Frontend/Models/Chat.cs

@@ -1,9 +1,13 @@
+using Katheryne.Abstractions;
+
 namespace Frontend.Models;
 
 public class Chat
 {
     public Guid Guid { get; } = Guid.NewGuid();
     
+    public required IChatRobot Robot { get; init; }
+
     public string Title { get; set; } = string.Empty;
     
     public bool Selected { get; set; }

Frontend/Pages/Index.razor

@@ -1,5 +1,7 @@
 @page "/"
 @using Frontend.Models
+@using Katheryne.Abstractions
+@inject IServiceProvider ServiceProvider
 
 
 <Layout>
@@ -16,7 +18,7 @@
                         <ListItem OnClick="@(() => ChangeChatClicked(context.Guid))">
                             <ListItemMeta>
                                 <TitleTemplate>
-                                    @if (@context.Selected)
+                                    @if (context.Selected)
                                     {
                                         <div class="selected-chat-name">
                                             <p style="margin: 5px">@context.Title</p>
@@ -38,7 +40,7 @@
     </Sider>
 
     <Content>
-        <ChatZone Messages="@_chatDictionary[_currentGuid].Messages"/>
+        <ChatZone Messages="@_chatDictionary[_currentGuid].Messages" Robot="@_chatDictionary[_currentGuid].Robot"/>
     </Content>
 </Layout>
 
@@ -49,18 +51,7 @@
 
     protected override void OnInitialized()
     {
-        var chat = new Chat
+        Chat chat = GetInitChat();
-        {
-            Title = $"对话：{_chatDictionary.Count + 1}"
-        };
-        
-        chat.Messages.Add(new ChatMessage
-        {
-            Sender = "凯瑟琳",
-            Left = true,
-            Text = "向着星辰和深渊！欢迎来到冒险家协会。"
-        });
-        chat.Selected = true;
         
         _chatDictionary.Add(chat.Guid, chat);
         _currentGuid = chat.Guid;
@@ -68,21 +59,9 @@
 
     private void CreateChatClicked()
     {
-        var chat = new Chat
+        Chat chat = GetInitChat();
-        {
-            Title = $"对话：{_chatDictionary.Count + 1}"
-        };
-        
-        chat.Messages.Add(new ChatMessage
-        {
-            Sender = "凯瑟琳",
-            Left = true,
-            Text = "向着星辰和深渊！欢迎来到冒险家协会。"
-        });
         
         _chatDictionary.Add(chat.Guid, chat);
-        
-        // 切换到新建的对话
         _chatDictionary[_currentGuid].Selected = false;
         _currentGuid = chat.Guid;
         _chatDictionary[_currentGuid].Selected = true;
@@ -94,4 +73,26 @@
         _currentGuid = guid;
         _chatDictionary[_currentGuid].Selected = true;
     }
+
+    private Chat GetInitChat()
+    {
+        var chat = new Chat
+        {
+            Title = $"对话：{_chatDictionary.Count + 1}",
+            Robot = ServiceProvider.GetRequiredService<IChatRobot>()
+        };
+
+        foreach (string answer in chat.Robot.OnChatStart())
+        {
+            chat.Messages.Add(new ChatMessage
+            {
+                Sender = chat.Robot.RobotName,
+                Left = true,
+                Text = answer
+            });
+        }
+        chat.Selected = true;
+
+        return chat;
+    }
 }

Frontend/Program.cs

@@ -1,8 +1,13 @@
+using Katheryne;
+using Katheryne.Abstractions;
+
 WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
 builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
 builder.Services.AddAntDesign();
 
+builder.Services.AddTransient<IChatRobot, DefaultChatRobot>();
+
 WebApplication app = builder.Build();
 
 app.UseStaticFiles();

Frontend/Shared/ChatZone.razor

@@ -1,4 +1,5 @@
 @using Frontend.Models
+@using Katheryne.Abstractions
 
 <div class="content-zone">
     <div class="chat-zone">
@@ -49,6 +50,9 @@
     [Parameter]
     public List<ChatMessage> Messages { get; set; } = null!;
 
+    [Parameter]
+    public IChatRobot Robot { get; set; } = null!;
+
     private void SendMessageClicked()
     {
         if (string.IsNullOrWhiteSpace(MessageSending))
@@ -63,13 +67,16 @@
             Text = MessageSending
         });
 
-        MessageSending = string.Empty;
+        foreach (string answer in Robot.ChatNext(MessageSending))
-
-        Messages.Add(new ChatMessage
         {
-            Left = true,
+            Messages.Add(new ChatMessage
-            Sender = "凯瑟琳",
+            {
-            Text = "对不起，做不到。"
+                Left = true,
-        });
+                Sender = Robot.RobotName,
+                Text = answer
+            });
+        }
+        
+        MessageSending = string.Empty;
     }
 }

Katheryne/Abstractions/IChatRobot.cs

@@ -11,5 +11,5 @@ public interface IChatRobot
 
     public IEnumerable<string> OnChatStop();
 
-    
+    public IEnumerable<string> ChatNext(string input);
 }

Katheryne/DefaultChatRobot.cs

@@ -0,0 +1,44 @@
+using Katheryne.Abstractions;
+using Microsoft.Extensions.Logging;
+
+namespace Katheryne;
+
+public class DefaultChatRobot : IChatRobot
+{
+    private readonly ILogger<DefaultChatRobot> _logger;
+
+    public DefaultChatRobot(ILogger<DefaultChatRobot> logger)
+    {
+        _logger = logger;
+    }
+    
+    public string RobotName => "凯瑟琳";
+    
+    public IEnumerable<string> OnChatStart()
+    {
+        _logger.LogDebug("Start default chat robot.");
+        return new[]
+        {
+            "向着星辰与深渊！",
+            "欢迎来到冒险家协会。"
+        };
+    }
+
+    public IEnumerable<string> OnChatStop()
+    {
+        _logger.LogDebug("End default chat robot.");
+        return new[]
+        {
+            "再见，感谢您对协会做出的贡献，冒险家。"
+        };
+    }
+
+    public IEnumerable<string> ChatNext(string input)
+    {
+        _logger.LogDebug("Robot receive message: \"{}\".", input);
+        return new[]
+        {
+            "暂时不支持该功能，请联系维护人员。"
+        };
+    }
+}

Katheryne/Katheryne.csproj

@@ -6,4 +6,8 @@
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
+    </ItemGroup>
+
 </Project>